• Journal of the Korean Data and Information Science Society
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• v.26 no.4
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• pp.841-856
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• 2015

Thirteen types of business and sixteen administrative districts in Korea are categorized and segmented based on their similarities and visually plotted on multidimensional space. The similarities are determined by five characteristics of quantitative evaluation (simplified process of trading, reduced price, direct contact with supplier, faster process of trading, et cetera). Hence, domestic types of business and administrative districts can be categorized into certain clusters. Also, forms and characteristics of types of business and administrative districts can be evaluated between and within the clusters.

• Journal of The Korean Association For Science Education
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• v.29 no.8
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• pp.812-823
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• 2009

The purpose of this study is to search effective assessments methods by using the Fusion model of Cognitive diagnosis theory. Attributes are skills or cognitive processes that are required to perform correctly on a particular item. After test items were developed, item's attributes were decided and Q-matrix about item's attributes was made. After testing, the result was analyzed according to gender and achievement level. The results of the analysis showed that students mastered 'Interpreting data' best, and 'synthesizing' worst among the five attributes. Female students showed higher ability than male students in 'recalling.' Students of high achievement level mastered more scientific attributes than students of low achievement level. Conventional assessments only provided a single summary score but Cognitive diagnosis modeling provided useful information by estimating individual knowledge states by assessing whether an examinee has mastered specific attributes measured by the science test. The skill profiles can offer a skill level of strong, weak, or mixed for each student for each skill. Therefore, the skill profiles will provide useful diagnostic information in addition to single overall scores.

• Journal of the Korean association of regional geographers
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• v.11 no.5
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• pp.440-457
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• 2005

The purpose of this study was to examine the importance and satisfaction of exhibition and convention destinations from the MICE(meeting, incentive tour, convention, and exhibition) planners. Overall, four results were revealed from this study. First, considering the importance of selection attributes, soundproofing, lighting, temperature, A V facilities, the space of main convention hall and exhibition were the most important attributes. Second, hypothesis 1 suggested that there were statistically significant differences in the attributes of convention destination selection based on the socio-demographic variables. More specifically, a statistically significant was found in the 17 attributes out of 5 factors and 4 demographic variables. Third, hypothesis 2 suggested that there were statistically significant in the attributes of convention destination selection based on the planning characteristics of MICE. For instance, statistically significants were found 9 attributes out of 5 factors and the 4 planning characteristics. Fourth, the regional space of exhibition and convention was the most influential to the intention to revisit, followed by exhibition and convention facilities and use cost. And also, considering the recommendation to the other MICE planners who recently have used exhibition and convention centers, the facilities was the most influential, followed by use cost and tourism space surrounding exhibition and convention centers.

• The Journal of the Korea Contents Association
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• v.19 no.10
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• pp.397-406
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• 2019

The purpose of this study was to develop the evaluation scale according to the major selection attribute of culinary major students. For the scale development, 69 items were extracted through theoretical review. After that, a survey was conducted on 73 students who are currently studying culinary majors, and two culinary majors and three culinary major professors conducted in-depth analysis and refining. The questionnaire was conducted from March 18 to March 27, 2019, and the second expert group survey was conducted from August 19 to August 31, 2019 based on Kendall's W-validated mean and standard deviation. The results of this study are as follows. First, 46 properties were derived from the first expert group survey. Second, six factors and 32 attributes were derived through consultation with the second and third expert groups. Thirdly, through the verification of Kendall's W attributes of 32 six factors, verification of consensus on the importance of experts was made, and the final four factors (individual factors, occupational factors, major characteristics factors, and university-related factors) were derived. It was. The results of this study suggest that the final composition of the culinary major selection attribute is expected to contribute enough to increase student satisfaction, school loyalty, and enrollment rate of students through the measurement scale to grasp the competitiveness of the culinary major.

• Journal of Distribution Science
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• v.5 no.1
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• pp.41-56
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• 2007

China has achieved the most rapid economic growth in the last 20 years, especially since its joining into WTO. Lots of world retail companies are rushing into chinese market. Especially, many discount store operators have been successfully operating and expanding their businesses. Therefore throughly understanding the character of consumers of china, basing on the careful market analysis and implementing correct marketing policies will help to promote retail enterprises' self-competitive in the market.

• Journal of KIISE:Software and Applications
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• v.31 no.10
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• pp.1259-1265
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• 2004

In many applications, producing labeled data is costly and time consuming while an enormous amount of unlabeled data is available with little cost. Therefore, it is natural to ask whether we can take advantage of these unlabeled data in classification teaming. In machine learning literature, the co-training method has been widely used for this purpose. However, the current co-training method requires the entire features to be split into two independent sets. Therefore, in this paper, we improved the current co-training method in a number of ways, and proposed a new co-training method which do not need the feature split. Experimental results show that our proposed method can significantly improve the performance of the current co-training algorithm.

• The Journal of Information Technology and Database
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• v.4 no.2
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• pp.123-140
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• 1998

동일하거나 유사한 기능을 수행하는 소프트웨어 제품들 중에서 사용자 요구사항에 가장 적합한 제품을 결정하기 위하여 측정과 평가 및 선정을 실시하는 것을 매우 중요한 일이다. 이러한 소프트웨어 제품의 평가와 선정은 대량 구매시 객관성 확보를 위해 특히 중요하다. 소프트웨어 제품의 평가를 위한 절차는 평가 대상 제품의 속성 결정과 측정, 속성의 중요도에 따른 가중치 부여, 그리고 평가와 선정 모형을 통한 최적제품의 선정이나 우선순위의 결정이다. 본 연구에서는 이러한 절차에 따른 가중치 부여 방법으로는 계층적 분석과정을 이용하고, 제품의 평가와 선정 방법으로는 4개 보상모형과 7개 비보상모형, 그리고 4개의 DEA(Data Evelopment Analysis)모형을 종합적으로 설명한다. 또한 본 연구에서는 위의 15개 평가와 선정모형을 사용하여 Infoworld(Jan.1997)에서 발표한 '문서 작업흐름 관리' 소프트웨어 제품의 속성에 대한 측정결과를 가지고 모형별 적용 결과를 분석한다.

• The Journal of the Korea Contents Association
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• v.16 no.4
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• pp.12-22
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• 2016

The present study aims to evaluate the self-determined motivational features of smartphone addiction management apps. This study analyzed whether smartphone addiction management apps have features to support adolescent users' basic needs, that is, autonomy, competence, and relatedness. 26 apps were analyzed. Among them, 8 apps were parental management apps installed on a parent's phone and a child's phone, and 18 apps were self-management apps installed on a child's phone. According to a content analysis, only 3 of 26 apps addressed all three basic needs. Overall, the functions to support users' competence and relatedness were rarely found. Particularly, parental management apps had a high level of controlingness. The results suggest that the addiction management apps have limitations in stimulating adolescent users' self-determined motivation to manage their phone use.

• The Journal of Society for e-Business Studies
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• v.26 no.4
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• pp.53-79
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• 2021

With the revitalization of non-face-to-face transactions, the difference between the size of branches and transaction costs among securities firms has decreased, and the importance of the stock trading system has increased. In particular, the mobile trading system has become more important due to the increase in the proportion of transactions in the mobile trading system, which is widely used by individual investors, and the increase in the number of individual investors after COVID-19. However, user-centered usability studies are insufficient as usability studies on mobile trading systems are conducted through literature surveys or survey methods. Therefore, in this study, a repertory grid technique that finds user's empirical perception was used to find out user-centered usability attributes. The usability attributes of the mobile trading system from the user's point of view were elicited, and the difference in the usability attributes in terms of frequency and importance between the user group and the developer group was identified.

• Journal of Digital Convergence
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• v.13 no.10
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• pp.225-234
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• 2015

This study focused on building the convergence framework of decision-making for camping site selection attributes. The first stage of study is to identify the camping motivations. The camping motivations are composed of 5 factors. The second stage is to identify the camping site selection attributes. They are composed of 4 factors. The relationships between camping site selection attributes and camping motivations are examined through the multi-regression analysis. The camping site selection attributes were significantly influenced by thr type of camping motivation. Lastly, the relationship between camping site selection attributes and camper's satisfaction and behavioral intention are testified. The implications are that camping site operators and developers need to understand the segmented camping motivations and site selection attributes. They could be the guideline of implementing the developing planning strategies of camping site.